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// $Id$
//
// G4 Gheisha High Energy model class -- header file
// H. Fesefeldt, RWTH Aachen 23-October-1996
// A prototype of the Gheisha High Energy collision model.

#ifndef G4LEKaonZeroSInelastic_h
#define G4LEKaonZeroSInelastic_h 1

#include <CLHEP/Units/SystemOfUnits.h>

#include "G4LEKaonZeroInelastic.hh"
#include "G4LEAntiKaonZeroInelastic.hh"
#include "Randomize.hh"

class G4LEKaonZeroSInelastic : public G4InelasticInteraction  
{
  public: 
    G4LEKaonZeroSInelastic() : G4InelasticInteraction("G4LEKaonZeroSInelastic")
    {
      SetMinEnergy(0.0);
      SetMaxEnergy(25.*CLHEP::GeV);
      G4cout << "WARNING: model G4LEKaonZeroSInelastic is being deprecated and will\n"
             << "disappear in Geant4 version 10.0"  << G4endl;
    }

    virtual ~G4LEKaonZeroSInelastic(){ }

    G4HadFinalState* ApplyYourself(const G4HadProjectile& aTrack, G4Nucleus& targetNucleus)
    {
      if(G4UniformRand() < 0.50)
      {
         return theKaonZeroInelastic.ApplyYourself(aTrack, targetNucleus);
      }
      else
      {
         return theAntiKaonZeroInelastic.ApplyYourself(aTrack, targetNucleus);
      }
    }

    virtual void ModelDescription(std::ostream& outFile) const
    {
      outFile << "G4LEKaonZeroSInelastic is one of the Low Energy\n"
              << "Parameterized (LEP) models used to implement K0S\n"
              << "scattering from nuclei.  Upon interaction with a nucleus\n"
              << "the K0S is treated as a K0 50% of the time and an antiK0\n"
              << "50% of the time.  Then the K0 or antiK0 interacts with the\n"
              << "nucleus using the re-engineered GHEISHA code of\n"
              << "H. Fesefeldt, which divides the initial collision products\n"
              << "into backward- and forward-going clusters which are then\n"
              << "decayed into final state hadrons.  The model does not\n"
              << "conserve energy or charge on an event-by-event basis.  It\n"
              << "may be applied to K0S with initial energies between 0 and\n"
              << "25 GeV.\n";
    }

  private:
    G4LEKaonZeroInelastic theKaonZeroInelastic;
    G4LEAntiKaonZeroInelastic theAntiKaonZeroInelastic;	

};
#endif